证明用的

They are presented in need of special curves and surfaces in engineering applications. In order to prove that the uniform C-B-spline basis is normalized totally positive, we compute the matrix which transforms the C-Bézier basis into the uniform C-B-spline and decompose this matrix into a product of. bidiagonal and stochastic factors. Furthermore, we give a normalized B-basis by inserting knots.

本文用递推的方法，计算出代数三角空间中的n次C-Bézier基与n次均匀C-B-spline基之间的转换矩阵，并把该矩阵分解为一系列二对角阵的乘积，从而证明出n次均匀C-B-spline基是一个标准全正基，进一步用插入节点的方法，把它扩充为一组标准B基，从而我们可以利用B基的很多优良性质，在工程应用中对这两组基进行开发利用。

In spherical polar coordinates, DRSC potential have supersymmetry and shape invariance for θ and r coordinates. By using the method of supersymmetry and shape invariance, exact bound state solutions of Schrodinger equation with double ring-shaped Coulomb potential are presented. The normalized angular wave function expressed in terms of Jacobi polynomials and the normalized radial wave function expressed in terms of the Laguerre polynomials are presented. Energy spectrum equations are obtained.

本文研究了双环形Coulomb势Schrdinger方程的束缚态精确解，所采用的方法是首先对双环形Coulomb势的Schrdinger方程在球坐标系中进行分离变量，得到相应的角向方程和径向方程；证明双环形Coulomb势在角向和径向具有超对称性和形不变性；根据超对称性和形不变性的性质，获得了角动量量子化条件和束缚态的能谱方程，并将归一化角向波函数用Jacobi多项式表示，将归一化径向波函数用Laguerre多项式函数表示。

In this dissertation, firstly, the conditions of isolation and purification of specific toxin fractions produced by Exserohilum turcicum has been studied, and a high-efficient method has been established;secondly, the toxins were analysed by UV-Vis spectrophotometry;then the effect of specific toxin on death rate of corn leaves protoplast was studied by FDA as a tinct reagent;finally, using ANS as a probe and SDS-PAGE to study the membrane protein of the corn leaves with Htl gene. In a word, the aim of the research is to search some existent evidences of the toxin binding site on protoplasmic membrane, and provide proofs for nosogenesis of specific toxin in terms of cytology and the molecular biology.

本研究对玉米大斑病菌1号小种毒素的特异性组分进行分离，建立了高效的特异性毒素分离纯化方法，并对其进行了紫外波谱分析；用荧光素双醋酸酯染色法，测定了毒素特异性组分对原生质体死亡率的影响；进而用1-苯胺基-8-萘磺酸荧光探针标记法和SDS-PAGE电泳法对特异性毒素组分与Htl基因玉米细胞互作过程中的质膜蛋白进行了研究，旨在证明Htl基因玉米细胞质膜上存在特异性毒素组分结合蛋白，为从细胞和分子生物学角度阐明毒素的致病机理提供证据。

Selected the skill of non legato, respresented the characteristic of metal timbre on piano in three basic playing techniques, as research object, through the software of VOICEBOX, The MATLAB toolbox for speech processing, by sampling and cutting contrastive analysis both of the same with different playing touch ways on KAWAI upright piano, proved the known proposition with the physical quantity and the trend line graph, the auther explored the influence on resonant frequency by different touch key in non legato playing.

在钢琴3种基本弹奏法中，选例最能代表钢琴"金属性"音色特征的非连奏法为研究对象，通过"VOICE-BOX，The MATLAB toolbox for speech processing"软件，在立式"卡瓦依"钢琴上用不同奏法和相同奏法下不同触键方式的采样、切割对比分析，用求得的物理量和趋势线形图对已知命题加以证明，探究非连奏法中触键方式的不同，对共振频率的具体影响。

By comparative analysis of applicability, we concluded that the microcapsule from sodium alginate used in carbonless copy paper had the same advantages as domestic and foreign抯 in the characteristic of use, stableness and the speed of color development and so on.

证明了以海藻酸钠为壁材单凝聚法制备的无碳复写纸用微囊具有较高的包埋率、不渗透性、稳定性及一定强度；通过应用性的对比分析，认为以海藻酸钠为壁材自制的无碳复写纸用微囊在使用性能、稳定性、显色速度等方面均可达到国内外无碳复写纸的水平。

Aiming at the two structural features of axle shaft sleeve on the basis of analyzing various forming technologies applied in domestic and overseas in recent years,two new hot extrusion forming technology of axle shaft sleeve are worked out.

针对半轴套管的两种结构特点，在分析了国内外近年来所采用的各种成形工艺的基础上，分别开发了用镦粗-反挤压和扩径-正挤压两道复合工序相结合成形分体式半轴套管和用两次复合镦挤的方法成形整体式半轴套管的两种热挤压成形新工艺，通过物理模拟实验证明了成形工艺的可行性、实用性。

The typical spot symptoms on fruit would decrease the production and merchandise of tomato in the heavy rain of June and July; therefore, the key period for disease control is after rainy season. Quick identification on pathogen was using PCR. 1476bp band was amplified by primer P3、P4of bacterial speck. By using primer CMM5、CMM6 for bacterial canker, 614bp fragment was amplified. These PCR tests provided important foundation for pathogen identification and disease diagnoses. Using primer RST65 and RST69 for bacterial spot, expected 420bp band was not amplified.

通过聚合酶链式反应对病原进行快速鉴定，证明加工番茄细菌性斑点病用引物P3、P4可以得到一条大小为1476bp的特异性条带，番茄细菌性溃疡用CMM5、CMM6可以扩增出一条大小为614bp的特异性条带，这为病害的快速诊断打下了基础，但利用引物RST65和RST69对番茄细菌性疮痂病进行鉴定，没有得到预期420bp的目标条带，故对细菌性疮痂病的快速检测还有待继续研究。

It is to be suspected that the author who holds his elements apart is not using his imagination, but using a formula, like a scientist gests far too much strain and tension.

将自己的思想要素分割开来的作者恐怕不是在用他的想象力，而是用某个公式进行创作的，就象一个急于证明某一&论点&的科学家。总而言之，对于艺术，这样的过程未免太紧张了一点。

It is to be suspected that the author who holds his elements apart is not using his imagination, 8ttt8.com using a formula, like a scientist gests far too dddtt.com strain tension.

将自己的思想要素分割开来的作者恐怕不是在用他的想象力，而是8 ttt 8用某个公式进行创作的，就象一个急于证明某一&论点&的科学家。总而言之，对于艺术，这样的过程未免太紧张了一点。

" Sow grief, tried desperately to rush out of the ring, but the door was closed, the host aside fence to sow looks at the tears that late boar, looked at his master sows a happy eating pork, sow sad before boars lying in the bed every day, suddenly she found the wall were:"If you can't put, I'd give life to prove!

& 母猪伤心欲绝，拼命的冲出去，但圈门被主人关上了，搁着栅栏，母猪看着闪着泪光的公猪。那晚，母猪望着主人一家开心的吃着猪肉，母猪伤心的躺倒在以前公猪每天睡的地方，突然她发现墙上有行字：&如果爱无法用言语来表达，我愿意用生命来证明！

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。